/**
 * Copyright (c) 2011-2016, James Zhan 詹波 (jfinal@126.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.fengjx.commons.plugin.db;

import java.io.Serializable;
import java.util.List;

/**
 * Page is the result of Model.paginate(......) or Db.paginate(......)
 */
public class Page<T> implements Serializable {

    private static final long serialVersionUID = -5395997221963176643L;

    private List<T> list;				// list result of this page
    private int pageNumber;				// page number
    private int pageSize;				// result amount of this page
    private int totalPage;				// total page
    private int totalRow;				// total row
    private boolean convert = true;			// 转型标记（是否需要，默认是true）

    /**
     * Constructor.
     * @param list the list of paginate result
     * @param pageNumber the page number
     * @param pageSize the page size
     * @param totalPage the total page of paginate
     * @param totalRow the total row of paginate
     */
    public Page(List<T> list, int pageNumber, int pageSize, int totalPage, int totalRow) {
        this.list = list;
        this.pageNumber = pageNumber;
        this.pageSize = pageSize;
        this.totalPage = totalPage;
        this.totalRow = totalRow;
    }

    /**
     * Return list of this page.
     */
    public List<T> getList() {
        return list;
    }

    /**
     * Return page number.
     */
    public int getPageNumber() {
        return pageNumber;
    }

    /**
     * Return page size.
     */
    public int getPageSize() {
        return pageSize;
    }

    /**
     * Return total page.
     */
    public int getTotalPage() {
        return totalPage;
    }

    /**
     * Return total row.
     */
    public int getTotalRow() {
        return totalRow;
    }

    public boolean isFirstPage() {
        return pageNumber == 1;
    }

    public boolean isLastPage() {
        return pageNumber == totalPage;
    }

    public boolean isConvert() {
        return convert;
    }

    public void setConvert(boolean convert) {
        this.convert = convert;
    }
}

